Wisconsin Groundwater Quality Reports

Publications​ and Reports

Targeted Sampling of Drinking Water Wells

Summary report: 20​20 | 2019 | 2018 | 2017

Field-Edge Groundwater Quality Monitoring

Agricultural chemicals detected in field-edge monitoring wells: 2019 |2018 

Surface Water Quality Monitoring

Agricultural chemicals detected in Wisconsin surface water: 2019 |2018

Wisconsin Groundwater Quality

Agricultural chemicals in Wisconsin groundwater (statewide surveys)​: 2017 | 2008

​Pesticide ​Reports

Neonicotinoid Pesticides in Wisconsin Ground​water and Surface W​ater
A summary of groundwater and surface water test results for neonicotinoid insecticides from 2008 through 2016